<!DOCTYPE html>
<html>
	<head>
		<meta charset="utf-8">
		<title>数据更改</title>
	</head>
	<body>
		<!-- 提交数据 -->
		<form action="/update">
			<input type="text" placeholder="请输入value值"  name="area" />
			<input type="submit" />
		</form>
	</body>
</html>
